One of the most prominent figures in the conservation, restoration and preservation of Zadar's cultural heritage in the 60s and 70s is certanly art historian, conservator and university professor Ksenija Radulić (1933-1975). With her dedicated work, she marked and institutionalized the Institute for the Protection of Monuments in Zadar, organizing it according to modern principles, where she implemented a work methodology based on the principles of active protection of architectural heritage. In cooperation with prof. Petricoli and various field experts of that time, she created numerous conservation solutions and woven them into the fabric of the historical core of Zadar. Research and conservation of the churches of St. Donatus and St. Francis, the Grisogono-Vovo palace or the Gnalić site are some of the more significant projects for which Ksenija Radulić is responsible. Her activity was not limited to a narrow profession, as evidenced by the thematically exhaustive presentation of the bibliography. This paper presents the activities and significance of K. Radulić in the context of the restoration and conservation of the historical core of Zadar and the development of the conservation profession